Rie 
& DarILy OBSERVATIONS OF MAGNETOMETERS, MAy 10—24. 1843. 11 
_ Gottingen BIFILAR. BALANCE. Gottingen BIFILAR. BALANCE. 
Mean Time of DECLINA- | Mean Time of DECLINA- 
Declination TION. Cor- |Thermo-| Cor- |Thermo: Declination TION. Cor- |Thermo-| Cor- |Thermo 
eration. rected. | meter. || rected. | meter. Observation. rected, | meter. || rected. | meter. 
x Fite mn. ow Se. Div. Q Mic. Div. ° an im: or ja | Se. Div ° || Mie. Div. 2 
Ma iy 10 18 0] 25 22-96 || 488-2] 46-9 || 668-3] 47-2 | May 17 18 0] 25 21-71 | 493-9| 45-0 | 655-5) 45-5 
bal , 20 0 24.50 | 486-:0| 46-6 || 666-5] 46-9 20 0 20-16 || 493-3} 44-8 | 661-7| 45-2 
tb 22 0 25-27 || 484-4} 47-3 || 670-7| 47-6 22° 0 21-62 | 485-6| 45-8 || 652-5} 46-0 
M ay 11 O O 22-80 | 486-9| 49-9 || 659-2} 49-0 May 18/"8" 0 26-48 || 494-8| 47-4 | 641-6] 47-0 
ey, + 2 0 27-36 || 503-1| 53-9 || 664-1] 52-4 2 0 30-03 || 498-9| 48-8 | 654-6| 48-0 
ba 0 25-46 | 504:0) 57-6 || 675-4] 55-5 4 0 26-94 | 503-8} 49-9 || 660-2| 49-0 
ber 0 23-76 || 509-5) 59-7 || 679-8| 57-4 6 0 24.74 | 512-6] 50-1 || 677-3] 49-3 
a 0 26-79 | 512-3] 59-8 || 675-0] 58-0 oF 0 22.67 || 513-4) 50-4 || 686-1] 49-5 
k' 0 20-74 || 499-9} 58-1 || 675-3] 56-8 10 0 24-13 || 507-4] 49-6 || 671-9} 48-9 
hy 0] 25 20-00 || 490-4} 49-3 || 675-1] 49-9 18 0] 25 22-08 | 497-2| 42-7 || 672-5} 43-5 
0 17-27 || 489-2] 49-2 || 683-8] 49-5 20 0 20-43 || 497-3| 43-0 || 685-7| 43-9 
0 23-21 || 481-1] 50-7 || 676-4] 50-5 22 0 21-96 || 490-0] 44-8 || 671-5} 45-0 
0 28-00 || 482-6] 52-8 | 670-1] 52-0] May 19 0 O 26-89 | 491-0} 47-6 || 649-9} 46-9 
0 29-95 || 504-1] 54-6 || 671-3] 53-6 2 0 29-75 || 498-9) 49-8 || 656-5] 48-6 
0 27-88 || 501-6] 55-5 || 679-5] 54-5 4 0 26-19 | 506-4| 51-6 || 668-7} 50-0 
0 26-50 || 507-1) 55-7 || 686-2] 54-9 6 0 24-72 || 510-1} 52-0 || 673-8} 50-6 
0 26-55 || 505-6| 55-2 || 682-6| 54-5 8 0 22-36 || 510-5| 52-0 | 670-7| 50-6 
0 25-65 || 502-6| 54-7 || 682-7} 54-2 10 0 23-32 || 506-7| 50-3 || 663-9} 49-5 
0} 25 21-15 | 503-2} 52-9 | 649-5| 52-7 18 0] 25 20-00 || 498-9} 46-0 | 674-3) 46-4 
0 20-77 || 494-0} 53-0 || 662-0} 52-9 20 0 17-07 || 496-9| 46-8 || 684-9| 46-9 
0 22-33 || 490-2| 53-8 || 672-2] 53-2 22) 0 21-21 || 486-8| 47-3 | 678-6) 47-2 
0 26-35 || 488-2] 55-3 || 672-4) 54-7] May 20 0 0 27-22 | 486-1) 49-0 || 653-2) 48-5 
0 27-13 | 493-4] 56-3 || 665-3] 55-6 2 0 28-17 || 494-6| 51-8 || 655-8} 50-4 
0 26-50 || 496-4| 57-2 || 673-2} 56-4 4 0 25-98 || 504-7| 54-5 | 667-0) 52-5 
0 24-82 || 504-9] 56-9 || 683-1] 56-3 6 0 24-18 || 514:5| 55-6 || 674-5] 53-7 
0 24-25 || 505-5] 56-0 || 694-3] 55-6 8 0 22-45 || 508-1] 54-9 | 671-7} 53-5 
0 24-53 || 501-0} 55-0 || 682-4} 55-0 10 0 23-29 || 507-1| 52-8 || 664-4) 52.0 
0}; 25 22-05 || 501-4} 52-0 || 666-9] 52-1 May 2118 0] 25 20-57 || 500-1) 46-8 | 671-3| 46-8 
0 19-70 || 497-9} 51-8 || 667-9} 51-8 20 0 19-63 || 495-2| 46-7 || 673-4| 46-7 
0 20-57 || 487-8] 52-0 || 668-2] 52-0 22 0 21-37 || 494-9) 46-8 || 649-3} 46-8 
0 26-69 | 486:7| 52-6 || 642-4] 52-4 May 22 0 0 24-92 | 497-7) 47-0 639-6 | 47-0 
0 32-97 | 501-4] 52-6 || 639-2} 52-4 2 0 26-59 || 507-5| 47-8 | 645-3) 47-5 
0 31-90 || 523-1] 52-3 || 644-5] 52-0 4 0 26-94 || 510-0} 48-1 | 655-0| 47-8 
0 28-67 || 519-1} 52-0 || 665-9) 51-6 6 0 25-25 || 512-8] 48-3 || 666-8| 48-0 
0 23-91 || 523-9] 51-2 || 701-2} 51-0 SY 0 24-85 || 517-2| 48-2 || 664-1| 48-0 
0 22-58 || 497-2] 50-7 || 737-2] 50-9 10 0 24-47 || 512:5| 47-7 | 662-6) 47-6 
af 18 0} 25 26-99 || 506-2) 48-3 || 646-0) 48-5 18 0O|| 25 17-62 | 500-9| 46-9 | 654-5) 47-0 
20 0 22-52 | 488-5] 48-2 || 651-9| 48-2 20 0 19-07 || 491-5) 46-9 | 657-2} 47-0 
ied 22 0 25-72 || 480-3| 48-3 || 667-3] 48-3 22 0 20-63 || 489-0] 47-6 | 645-9) 47-4 
y1600 28-15 || 479-2| 48-8 || 667-4| 48-8 |May 23 0 0 25-34 || 492-9] 48-1 | 634-9| 47-8 
y 2 0 31-30 || 493-8} 49-0 || 663-9| 48-9 2 0 26-97 || 504-1| 48-9 || 645-4) 48-4 
4 0 24-96 || 499-7] 49-0 || 710-9] 48-8 4 0 25-07 || 508-6| 49-0 | 661-3) 48-5 
6 0 26-42 | 512-0) 48-8 || 705-3} 48-6 6 0 22-35 || 512-9] 49-0 | 675-6| 48-6 
8 0 25-07 || 508-2} 48-6 || 693-0) 48-4 8 0 22.92 | 511-9) 48-9 | 667-0] 48-6 
10 0 22-45 || 513-0] 48-0 || 684-0} 48-0 10 O 23-93 | 511-5| 48-8 || 662-7| 48-5 
18 0] 25 21-26 | 491-9] 46-0 || 667-7| 46.2 18 0] 25 18-41 | 504-0! 48.0 | 658-9} 48-0 
20 0 20-57 || 493-8] 46-8 || 678-7] 46-8 20 0 18-45 | 496-5] 48-0 | 660-2} 48-0 
22 0 21-73 | 490-0| 47-3 || 675-4] 47-1 22 0 22-53 || 484-8) 48-3 | 655-9] 48-2 
y17 00 25-78 || 487-5| 48-4 || 659-4} 48-0 May 24 0 0 29-91 || 486-8| 48-8 | 639-1) 48-5 
2 0 27-80 || 500-0} 49-9 || 655-5| 49-0 2 0 31-46 || 496-9| 49-0 | 638-9] 48-8 
4 0 22-79 || 509-1| 50-8 || 689-2) 49.8 4 0 27-38 | 504-8| 49-9 || 665-6] 49-5 
6 0 24-55 || 516-6} 50-8 || 684-4| 49-8 6 10 22-58 || 514-0] 50-1 || 671-6} 49-5 
8 0 24-57 | 513-1| 49-7 || 678-7| 49-2 8 0 22-67 | 515-0} 49-8 || 669-1} 49-3 
10 0 23-54 || 500-3} 48-4 || 673-5| 48-3 10 0 23-07 | 512-1} 48-9 || 661-1} 48-6 
DECLINATION. Torsion removed, circle reading,—May 124 234, 173°; 154 23h, 198°; 194 3h, 203°. 
Birizar. k=0-0001205. BALANCE. k=0-000015 approximately. 
| okie 
